Oil Pan Removal; Oil Pump Removal; Camshaft Removal; Torsional Damper Bolt - Chevrolet 1991 Light Duty Truck Repair Manual

6A3-6 4.3L V6 ENGINE
E Remove or Disconnect (Figure
Tool Required:
J 23523-E Torsional Damper Puller and Installer.

1. Torsional damper bolt.

2. Torsional damper using J 23523-E (figure 5).
3. Crankshaft key.

OIL PAN REMOVAL

Remove or Disconnect
1. Oil pan bolts and nuts.
2. Clips and reinforcements
3. Oil pan.
4. Gasket
(70).

OIL PUMP REMOVAL

|<--»| Remove or Disconnect
1. Oil pump to main bearing cap bolt.
2. Complete oil pump assembly.
3. Shaft extension.
FRONT COVER REMOVAL
|*"»| Remove or Disconnect

1. Front cover bolts.

2. Front cover.
3. Front cover gasket.
Figure 4 — Valve Train Components
5)
(71).
Figure 5— Removing the Torsional Damper

CAMSHAFT REMOVAL

E 3
Remove or Disconnect (Figures 7 through 9)
Tools Required:
J 5825-A Crankshaft Gear Puller

1. Camshaft sprocket bolts.

2. Camshaft sprocket and timing chain.
• The sprocket has a light interference fit on the
camshaft. Tap the sprocket on its lower edge to
loosen it.
40. Bolt
41. Retainer
42. Nuts
43. Balls
44. Rocker Arms
45. Pushrods
46. Restrictor
47. Lifter
B7611